package com.hzsd.zengbanyi.biaodan_text.utils;

import java.security.MessageDigest;

public class MD5Utils {
	public static String MD5(String str) {
		MessageDigest md5 = null;
		try {
		md5 = MessageDigest.getInstance("MD5");
		} catch (Exception e) {
		e.printStackTrace();
		return "";
		}
		 
		char[] charArray = str.toCharArray();
		byte[] byteArray = new byte[charArray.length];
		 
		for (int i = 0; i < charArray.length; i++) {
		byteArray[i] = (byte) charArray[i];
		}
		byte[] md5Bytes = md5.digest(byteArray);
		 
		StringBuffer hexValue = new StringBuffer();
		for (int i = 0; i < md5Bytes.length; i++) {
		int val = ((int) md5Bytes[i]) & 0xff;
		if (val < 16) {
		hexValue.append("0");
		}
		hexValue.append(Integer.toHexString(val));
		}
		return hexValue.toString();
		} 
}
